#include <iostream>
#include <vector>
#include <cmath>
#include <vector>
#include <fstream>
#include <iomanip>
#include <sstream>
#include "mysql_connection.h"
#include <cppconn/driver.h>
#include <cppconn/exception.h>
#include <cppconn/resultset.h>
#include <cppconn/statement.h>